def addMail(model, subject, sender, date):
    model.insertRow(0)
    model.setData(model.index(0, 0), QtCore.QVariant(subject))
    model.setData(model.index(0, 1), QtCore.QVariant(sender))
    model.setData(model.index(0, 2), QtCore.QVariant(date))




def createMailModel(parent):
    model = QtGui.QStandardItemModel(0, 3, parent)

    model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("Subject"))
    model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("Sender"))
    model.setHeaderData(2, QtCore.Qt.Horizontal, QtCore.QVariant("Date"))

    addMail(model, "Happy New Year!", "Grace K. <grace@software-inc.com>",
            QtCore.QDateTime(QtCore.QDate(2006, 12, 31), QtCore.QTime(17, 03)))
    addMail(model, "Radically new concept", "Grace K. <grace@software-inc.com>",
            QtCore.QDateTime(QtCore.QDate(2006, 12, 22), QtCore.QTime(9, 44)))
    addMail(model, "Accounts", "pascale@nospam.com",
            QtCore.QDateTime(QtCore.QDate(2006, 12, 31), QtCore.QTime(12, 50)))
    addMail(model, "Expenses", "Joe Bloggs <joe@bloggs.com>",
            QtCore.QDateTime(QtCore.QDate(2006, 12, 25), QtCore.QTime(11, 39)))
    addMail(model, "Re: Expenses", "Andy <andy@nospam.com>",
            QtCore.QDateTime(QtCore.QDate(2007, 01, 02), QtCore.QTime(16, 05)))
    addMail(model, "Re: Accounts", "Joe Bloggs <joe@bloggs.com>",
            QtCore.QDateTime(QtCore.QDate(2007, 01, 03), QtCore.QTime(14, 18)))
    addMail(model, "Re: Accounts", "Andy <andy@nospam.com>",
            QtCore.QDateTime(QtCore.QDate(2007, 01, 03), QtCore.QTime(14, 26)))
    addMail(model, "Sports", "Linda Smith <linda.smith@nospam.com>",
            QtCore.QDateTime(QtCore.QDate(2007, 01, 05), QtCore.QTime(11, 33)))
    addMail(model, "AW: Sports", "Rolf Newschweinstein <rolfn@nospam.com>",
            QtCore.QDateTime(QtCore.QDate(2007, 01, 05), QtCore.QTime(12, 00)))
    addMail(model, "RE: Sports", "Petra Schmidt <petras@nospam.com>",
            QtCore.QDateTime(QtCore.QDate(2007, 01, 05), QtCore.QTime(12, 01)))

    return model


print type(createMailModel(None))
var=QtCore.QVariant(createMailModel(None))